ASN Wikibase Occurrence # 188236
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| Date: | Saturday 18 June 2016 |
| Time: | 12:35 |
| Type: |  Beechcraft P35 Bonanza |
| Owner/operator: | Private |
| Registration: | N112MB |
| MSN: | D-6945 |
| Year of manufacture: | 1962 |
| Total airframe hrs: | 5186 hours |
| Engine model: | Continental. IO-470-N21B |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Atlantic Ocean off Weekapaug Beach, Westerly, RI -
 United States of America
|
| Phase: | En route |
| Nature: | Private |
| Departure airport: | Westhampton Beach, NY (FOK) |
| Taunton, MA (TAN) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
During cruise flight over open water, the airplane experienced a total loss of engine power, and the private pilot ditched the airplane. Subsequent examination of the engine revealed that the oil filter adapter was loose and the fiber gasket was torn and partially extruded. Because of these conditions, oil leaked from the engine, which led to the failure of the Nos. 2 and 4 connecting rods due to a lack of oil lubrication. The oil filter adapter was not original equipment on the engine; it was installed under a supplemental type certificate which required that the oil filter adapter fiber gasket be replaced anytime the oil filter adapter was removed from the engine and reinstalled and every 300 hours or 3 years, whichever occurred first. Maintenance records indicated that the oil filter adapter was installed about 4 1/2 years before the accident. No other maintenance entries or records pertaining to the inspection of the fiber gasket was noted during the 4 years before the accident, and no record concerning the installation of a new oil filter adapter fiber gasket was located.
Probable Cause: A total loss of engine power due to inadequate maintenance of the oil filter adapter, which resulted in an oil leak and subsequent oil starvation to the engine.
Accident investigation:
 |
|
Sources:
NTSB
https://flightaware.com/resources/registration/N112MB
Location
Images:
Photo: FAA
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 18-Jun-2016 18:51 | Geno | Added |
| 19-Jun-2016 05:47 | Chieftain | Updated [Time, Phase, Nature, Departure airport, Destination airport, Narrative] |
| 21-Dec-2016 19:30 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 21-Mar-2017 22:59 | Geno | Updated [Departure airport, Destination airport, Source, Narrative] |
| 16-Sep-2018 18:14 | ASN Update Bot | Updated [Departure airport, Destination airport, Source, Narrative, Accident report, ] |
| 16-Sep-2018 18:38 | harro | Updated [Source, Narrative, Photo] |
Corrections or additions? ... Edit this accident description
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